/*
Copyright 2022 - 2023 The Matrix.org Foundation C.I.C.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

import type { Page } from "@playwright/test";
import { test, expect } from "../../element-web-test";
import { openIntegrationManager } from "./utils";

const ROOM_NAME = "Integration Manager Test";

const INTEGRATION_MANAGER_TOKEN = "DefinitelySecret_DoNotUseThisForReal";
const INTEGRATION_MANAGER_HTML = `
    <html lang="en">
        <head>
            <title>Fake Integration Manager</title>
        </head>
        <body>
            <input type="text" id="target-room-id"/>
            <input type="text" id="event-type"/>
            <input type="text" id="state-key"/>
            <input type="text" id="event-content"/>
            <button name="Send" id="send-action">Press to send action</button>
            <button name="Close" id="close">Press to close</button>
            <p id="message-response">No response</p>
            <script>
                document.getElementById("send-action").onclick = () => {
                    window.parent.postMessage(
                        {
                            action: "send_event",
                            room_id: document.getElementById("target-room-id").value,
                            type: document.getElementById("event-type").value,
                            state_key: document.getElementById("state-key").value,
                            content: JSON.parse(document.getElementById("event-content").value),
                        },
                        '*',
                    );
                };
                document.getElementById("close").onclick = () => {
                    window.parent.postMessage(
                        {
                            action: "close_scalar",
                        },
                        '*',
                    );
                };
                // Listen for a postmessage response
                window.addEventListener("message", (event) => {
                    document.getElementById("message-response").innerText = JSON.stringify(event.data);
                });
            </script>
        </body>
    </html>
`;

async function sendActionFromIntegrationManager(
    page: Page,
    integrationManagerUrl: string,
    targetRoomId: string,
    eventType: string,
    stateKey: string,
    content: Record<string, unknown>,
) {
    const iframe = page.frameLocator(`iframe[src*="${integrationManagerUrl}"]`);
    await iframe.locator("#target-room-id").fill(targetRoomId);
    await iframe.locator("#event-type").fill(eventType);
    if (stateKey) {
        await iframe.locator("#state-key").fill(stateKey);
    }
    await iframe.locator("#event-content").fill(JSON.stringify(content));
    await iframe.locator("#send-action").click();
}

test.describe("Integration Manager: Send Event", () => {
    test.use({
        displayName: "Alice",
        room: async ({ user, app }, use) => {
            const roomId = await app.client.createRoom({
                name: ROOM_NAME,
            });
            await use({ roomId });
        },
    });

    let integrationManagerUrl: string;
    test.beforeEach(async ({ page, webserver }) => {
        integrationManagerUrl = webserver.start(INTEGRATION_MANAGER_HTML);

        await page.addInitScript(
            ({ token, integrationManagerUrl }) => {
                window.localStorage.setItem("mx_scalar_token", token);
                window.localStorage.setItem(`mx_scalar_token_at_${integrationManagerUrl}`, token);
            },
            {
                token: INTEGRATION_MANAGER_TOKEN,
                integrationManagerUrl,
            },
        );
    });

    test.beforeEach(async ({ page, user, app, room }) => {
        await app.client.setAccountData("m.widgets", {
            "m.integration_manager": {
                content: {
                    type: "m.integration_manager",
                    name: "Integration Manager",
                    url: integrationManagerUrl,
                    data: {
                        api_url: integrationManagerUrl,
                    },
                },
                id: "integration-manager",
            },
        });

        // Succeed when checking the token is valid
        await page.route(
            `${integrationManagerUrl}/account?scalar_token=${INTEGRATION_MANAGER_TOKEN}*`,
            async (route) => {
                await route.fulfill({
                    json: {
                        user_id: user.userId,
                    },
                });
            },
        );

        await app.viewRoomByName(ROOM_NAME);
        await openIntegrationManager(app);
    });

    test("should send a state event", async ({ page, app, room }) => {
        const eventType = "io.element.integrations.installations";
        const eventContent = {
            foo: "bar",
        };
        const stateKey = "state-key-123";

        // Send the event
        await sendActionFromIntegrationManager(
            page,
            integrationManagerUrl,
            room.roomId,
            eventType,
            stateKey,
            eventContent,
        );

        // Check the response
        const iframe = page.frameLocator(`iframe[src*="${integrationManagerUrl}"]`);
        await expect(iframe.locator("#message-response")).toContainText("event_id");

        // Check the event
        const event = await app.client.evaluate(
            (cli, { room, eventType, stateKey }) => {
                return cli.getStateEvent(room.roomId, eventType, stateKey);
            },
            { room, eventType, stateKey },
        );
        expect(event).toMatchObject(eventContent);
    });

    test("should send a state event with empty content", async ({ page, app, room }) => {
        const eventType = "io.element.integrations.installations";
        const eventContent = {};
        const stateKey = "state-key-123";

        // Send the event
        await sendActionFromIntegrationManager(
            page,
            integrationManagerUrl,
            room.roomId,
            eventType,
            stateKey,
            eventContent,
        );

        // Check the response
        const iframe = page.frameLocator(`iframe[src*="${integrationManagerUrl}"]`);
        await expect(iframe.locator("#message-response")).toContainText("event_id");

        // Check the event
        const event = await app.client.evaluate(
            (cli, { room, eventType, stateKey }) => {
                return cli.getStateEvent(room.roomId, eventType, stateKey);
            },
            { room, eventType, stateKey },
        );
        expect(event).toMatchObject({});
    });

    test("should send a state event with empty state key", async ({ page, app, room }) => {
        const eventType = "io.element.integrations.installations";
        const eventContent = {
            foo: "bar",
        };
        const stateKey = "";

        // Send the event
        await sendActionFromIntegrationManager(
            page,
            integrationManagerUrl,
            room.roomId,
            eventType,
            stateKey,
            eventContent,
        );

        // Check the response
        const iframe = page.frameLocator(`iframe[src*="${integrationManagerUrl}"]`);
        await expect(iframe.locator("#message-response")).toContainText("event_id");

        // Check the event
        const event = await app.client.evaluate(
            (cli, { room, eventType, stateKey }) => {
                return cli.getStateEvent(room.roomId, eventType, stateKey);
            },
            { room, eventType, stateKey },
        );
        expect(event).toMatchObject(eventContent);
    });

    test("should fail to send an event type which is not allowed", async ({ page, room }) => {
        const eventType = "com.example.event";
        const eventContent = {
            foo: "bar",
        };
        const stateKey = "";

        // Send the event
        await sendActionFromIntegrationManager(
            page,
            integrationManagerUrl,
            room.roomId,
            eventType,
            stateKey,
            eventContent,
        );

        // Check the response
        const iframe = page.frameLocator(`iframe[src*="${integrationManagerUrl}"]`);
        await expect(iframe.locator("#message-response")).toContainText("Failed to send event");
    });
});
